*SUPPORT*
IN: wif OUT: BLUE
IN: lug dax lug OUT: RED RED
IN: lug OUT: RED
IN: wif fep blicket dax zup OUT: BLUE PURPLE GREEN PURPLE GREEN
IN: zup OUT: GREEN
IN: wif tufa OUT: BLUE BLUE
IN: wif fep wif OUT: BLUE BLUE BLUE
IN: lug dax blicket OUT: RED PURPLE
IN: lug dax blicket tufa tufa OUT: RED PURPLE RED PURPLE RED PURPLE RED PURPLE
IN: zup dax wif OUT: GREEN BLUE
IN: blicket OUT: PURPLE
IN: zup dax lug OUT: GREEN RED
IN: zup tufa OUT: GREEN GREEN
IN: lug fep lug OUT: RED RED RED

*QUERY*
IN: blicket lug OUT: PURPLE RED
IN: wif zup fep zup dax blicket fep zup OUT: BLUE GREEN GREEN PURPLE GREEN PURPLE GREEN GREEN
IN: wif dax zup fep lug OUT: BLUE GREEN RED RED
IN: zup dax wif tufa fep lug dax blicket OUT: GREEN BLUE GREEN BLUE RED PURPLE RED PURPLE
IN: wif zup fep lug OUT: BLUE GREEN RED RED
IN: wif blicket fep blicket zup OUT: BLUE PURPLE PURPLE GREEN PURPLE GREEN
IN: blicket dax blicket fep lug blicket OUT: PURPLE PURPLE RED PURPLE RED PURPLE
IN: wif dax lug OUT: BLUE RED
IN: lug tufa OUT: RED RED
IN: wif lug lug dax wif tufa OUT: BLUE RED RED BLUE BLUE RED RED BLUE

*GRAMMAR*
blicket -> PURPLE 
 wif -> BLUE 
 zup -> GREEN 
 lug -> RED 
 x1 fep x2 -> [x1] [x2] [x2] 
 u1 dax u2 -> [u1] [u2] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 